Rev 2 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2 | pj | 1 | /* |
| 2 | * Copyright (c) 1997-1999 Massachusetts Institute of Technology |
||
| 3 | * |
||
| 4 | * This program is free software; you can redistribute it and/or modify |
||
| 5 | * it under the terms of the GNU General Public License as published by |
||
| 6 | * the Free Software Foundation; either version 2 of the License, or |
||
| 7 | * (at your option) any later version. |
||
| 8 | * |
||
| 9 | * This program is distributed in the hope that it will be useful, |
||
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
||
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||
| 12 | * GNU General Public License for more details. |
||
| 13 | * |
||
| 14 | * You should have received a copy of the GNU General Public License |
||
| 15 | * along with this program; if not, write to the Free Software |
||
| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
||
| 17 | * |
||
| 18 | */ |
||
| 19 | |||
| 20 | //#include <ports/stdio.h> |
||
| 21 | #include <stdlib.h> |
||
| 22 | |||
| 23 | #include <ports/fftw-int.h> |
||
| 24 | |||
| 25 | /**************** import/export using file ***************/ |
||
| 26 | /* |
||
| 27 | static void file_emitter(char c, void *data) |
||
| 28 | { |
||
| 29 | putc(c, (FILE *) data); |
||
| 30 | } |
||
| 31 | |||
| 32 | void fftw_export_wisdom_to_file(FILE *output_file) |
||
| 33 | { |
||
| 34 | if (output_file) |
||
| 35 | fftw_export_wisdom(file_emitter, (void *) output_file); |
||
| 36 | } |
||
| 37 | |||
| 38 | static int file_get_input(void *data) |
||
| 39 | { |
||
| 40 | return getc((FILE *) data); |
||
| 41 | } |
||
| 42 | |||
| 43 | fftw_status fftw_import_wisdom_from_file(FILE *input_file) |
||
| 44 | { |
||
| 45 | if (!input_file) |
||
| 46 | return FFTW_FAILURE; |
||
| 47 | return fftw_import_wisdom(file_get_input, (void *) input_file); |
||
| 48 | } |
||
| 49 | */ |
||
| 50 | /*************** import/export using string **************/ |
||
| 51 | |||
| 52 | static void emission_counter(char c, void *data) |
||
| 53 | { |
||
| 54 | int *counter = (int *) data; |
||
| 55 | |||
| 56 | ++*counter; |
||
| 57 | } |
||
| 58 | |||
| 59 | static void string_emitter(char c, void *data) |
||
| 60 | { |
||
| 61 | char **output_string = (char **) data; |
||
| 62 | |||
| 63 | *((*output_string)++) = c; |
||
| 64 | **output_string = 0; |
||
| 65 | } |
||
| 66 | |||
| 67 | char *fftw_export_wisdom_to_string(void) |
||
| 68 | { |
||
| 69 | int string_length = 0; |
||
| 70 | char *s, *s2; |
||
| 71 | |||
| 72 | fftw_export_wisdom(emission_counter, (void *) &string_length); |
||
| 73 | |||
| 74 | s = (char *) fftw_malloc(sizeof(char) * (string_length + 1)); |
||
| 75 | if (!s) |
||
| 76 | return 0; |
||
| 77 | s2 = s; |
||
| 78 | |||
| 79 | fftw_export_wisdom(string_emitter, (void *) &s2); |
||
| 80 | |||
| 81 | if (s + string_length != s2) |
||
| 82 | fftw_die("Unexpected output string length!"); |
||
| 83 | |||
| 84 | return s; |
||
| 85 | } |
||
| 86 | |||
| 87 | static int string_get_input(void *data) |
||
| 88 | { |
||
| 89 | char **input_string = (char **) data; |
||
| 90 | |||
| 91 | if (**input_string) |
||
| 92 | return *((*input_string)++); |
||
| 93 | else |
||
| 94 | return 0; |
||
| 95 | } |
||
| 96 | |||
| 97 | fftw_status fftw_import_wisdom_from_string(const char *input_string) |
||
| 98 | { |
||
| 99 | const char *s = input_string; |
||
| 100 | |||
| 101 | if (!input_string) |
||
| 102 | return FFTW_FAILURE; |
||
| 103 | return fftw_import_wisdom(string_get_input, (void *) &s); |
||
| 104 | } |